Wheel Bearings & Kits

Wheel bearing Front, Outer.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 924 Turbo 2.0L 1979-81
• Porsche 924 Turbo 2.0L 1982-84
• Porsche 924 Carrera GT 2.0L 1981
• Porsche 924 Carrera GTS 2.0L 1982
• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-86
• Porsche 356C 1963-65
• Porsche 914-6 (1970-1976)

Diagram Ref No 28

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99905906500

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Front Outer Wheel Bearing 
Sold each

Maintain smooth, reliable wheel rotation with this Front Outer Wheel Bearing. This precision-engineered wheel bearing supports the front hub while allowing it to rotate freely with minimal friction. Manufactured to OE specifications using high-quality bearing steel, it delivers excellent durability, precise tolerances and dependable long-term performance.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 924 Turbo 2.0L 1979-81
• Porsche 924 Turbo 2.0L 1982-84
• Porsche 924 Carrera GT 2.0L 1981
• Porsche 924 Carrera GTS 2.0L 1982
• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-86
• Porsche 356C 1963-65
• Porsche 914-6 (1970-1976)

Diagram Ref No 28

Whether you're replacing a worn bearing or carrying out a suspension overhaul, this OE Match bearing provides factory-quality fitment and reliable operation.

What Does the Front Outer Wheel Bearing Do?

The front outer wheel bearing supports the wheel hub and allows the wheel to rotate smoothly while carrying the vehicle's weight.

It plays a vital role in:

• Supporting the wheel hub
• Reducing friction during wheel rotation
• Maintaining accurate wheel alignment
• Ensuring smooth steering Helping provide safe braking and predictable handling

A correctly functioning wheel bearing is essential for vehicle safety, ride quality and steering precision.

Why Do Wheel Bearings Fail?

Wheel bearings are constantly subjected to heavy loads, road impacts and high rotational speeds. Over time, normal wear eventually affects the bearing surfaces.

Common causes of failure include:

• Natural wear with age and mileage
• Contaminated or deteriorated grease
• Water ingress
• Excessive bearing preload or incorrect adjustment
• Damage from potholes or kerb impacts
• Corrosion caused by moisture

As wear develops, the bearing can become noisy, develop excessive play and affect steering accuracy.

When Should They Be Replaced?

Replacement is recommended if you notice:

• Rumbling or humming from the front wheels
• Excessive wheel play
• Vibration through the steering wheel
• Roughness when rotating the hub
• Bearing contamination during servicing
• During brake or hub rebuilds if wear is evident

Replacing worn wheel bearings restores smooth operation and helps prevent more costly damage to the hub and suspension components.

Porsche Wheel Bearings & Hub Components

Wheel bearings are critical to the safe operation of every Porsche, supporting the vehicle's weight while allowing the wheels to rotate smoothly under braking, cornering and acceleration. As they wear over time, they can affect steering precision, braking performance and overall driving comfort.

Replacing worn wheel bearings during routine maintenance or suspension refurbishment helps restore factory handling characteristics and ensures dependable long-term reliability.

OE Match wheel bearings are manufactured to exacting standards, providing the precision and durability expected for both classic and modern Porsche models.

Benefits of Replacing the Front Outer Wheel Bearing

• Restores smooth wheel rotation
• Improves steering precision
• Reduces wheel bearing noise
• Helps maintain accurate wheel alignment
• Supports safe braking and handling
• OE Match quality with factory-style fitment       

Related reference numbers
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99905906500

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Rear wheel bearing. Rear.
2 required. Price is for EACH.

Fits:
Porsche 911 1969-73
Porsche 914 1970-76

Diagram ref no 6

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99905303400

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Rear wheel bearing. Rear.
2 required. Price is for EACH.

Fits:
Porsche 911 1969-73
Porsche 914 1970-76

Diagram ref no 6

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99905303500

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Rear wheel bearing. 2 required. Price is for EACH.
Wheel bearing is a critical component of the wheel assembly, allowing the wheels to rotate smoothly and efficiently while maintaining stability and load support for the vehicle. Wheel bearings are essential for reducing friction and wear in the wheel hub and axle assembly. This bearing helps to absorb radial and axial forces while allowing for the smooth rotation of the wheel. They are key in maintaining the overall handling, performance, and safety of the car.

Fits:
Porsche 911 1969-73
Porsche 914 1970-76

Common symptoms of a worn wheel bearing If the wheel bearing fails or is worn out, you might notice symptoms such as humming or growling noise while driving, especially at higher speeds also look out for vibration or shaking in the steering wheel or seat. Uneven tire wear or a noticeable difference in handling, with the car pulling to one side, also look out for a grinding sound from the wheel area when turning or under load. 

Technical specifications Inner Diameter: 42 mm Outer Diameter: 75 mm Width: 37 mm

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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99905304104

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Wheel Bearing set for front axle. Porsche 911 / 914

Fits:
Porsche 911 (1965 to 1989)
Porsche 914 (1970 to 1976)

Set comprising:
4x taper roller bearing,
10x hexagon screw,
10x hexagon nut,
2x spacer ring,
2x radial sealing ring,
2x O-ring,
10x spring washer,
1x tube of grease.

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PCG05906500

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The OE Match front inner wheel bearing spacer and forms part of the front hub assembly, providing the spacer and seal-running arrangement behind the inner wheel bearing.

Fits

• Porsche 911 1965-89
• Porsche 912 1965-69 
• Porsche 930 1978-79 
• Porsche 914 1970-76
  
  Diagram ref no 29
  
  Required Quantity
  

Two spacers are required per car. Sold individually.

What Is This Part?

This spacer ring sits on the front wheel spindle behind the inner wheel bearing. It belongs to the hub and bearing installation carried by the front suspension strut. As well as establishing the bearing's seating position, its outer surface provides a running surface for the hub seal. Its condition is therefore relevant when inspecting the bearings, renewing a leaking hub seal or rebuilding the front hub assembly.

What Does This Part Do?

• Positions the inner bearing: Provides the spacer interface behind the inner wheel bearing on the spindle.
• Supports the hub seal: Provides the surface against which the seal lip runs as the hub rotates.
• Completes the hub installation: Works with the spindle, bearing and seal as part of the front wheel hub arrangement.
  
  Why Replace This Part?

Replacement may be needed if inspection reveals a worn groove, corrosion, scoring or damage on the seal-running surface. An uneven surface can prevent the seal lip from making consistent contact, so fitting a new seal alone may not resolve leakage. Damage to the spacer's seating surfaces also needs attention before the hub is reassembled.

Inspect the ring during front bearing or hub-seal work, particularly if the assembly has suffered contamination, overheating or difficult dismantling. A serviceable spacer does not need replacing simply because the bearings are being renewed. Wheel noise or play should prompt inspection of the complete hub assembly rather than an assumption that this ring is at fault.

When to Replace This Part?

• Grooved seal surface: A visible wear track is found where the hub seal contacts the ring.
• Corrosion or pitting: Surface deterioration affects the seal contact area or bearing seating face.
• Removal damage: The ring has cracks, distortion, burrs or damaged edges after dismantling.
• Poor seating: Inspection confirms that damage prevents the ring or inner bearing from seating correctly.
• Persistent leakage: A hub-seal leak is traced to a damaged running surface on the spacer.
  
  Where Is This Part Fitted?

Location: On the front wheel spindle at the inner end of the hub, behind the inner wheel bearing and within the hub-seal area.

FAQs

• Will replacing this spacer cure wheel bearing noise? Not necessarily. Noise can come from the bearings or other components. Check bearing condition, adjustment, lubrication and the spindle before deciding which parts need replacement.
• Should it be inspected when replacing the hub seal? Yes. Check the seal-running surface for grooves, corrosion and damage, since a new seal needs a suitable contact surface.
• Does a new spacer set the bearing adjustment? No. The hub must still be assembled and the wheel bearings adjusted using the correct procedure for the vehicle.
  
  Product Summary

• Product: Front inner wheel bearing spacer.
• Brand: OE Match.
• Purpose: Positions the inner bearing and provides the hub seal-running surface.
• Supply: Sold individually.

Related reference numbers
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90134162300

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Wheel bearing spacer. Front inner.
Sold each - 2 required per car

Fits:
Porsche 911 1965-89
Porsche 912 1965-69 / 912 1976
Porsche 930 1978-79 / 930 1989
Porsche 914 1970-76

Diagram ref no 29

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90134162300

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Wheel inner bearing rear.

Fits:
Porsche 911 1965-68

Diagram Ref No 6.

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90133102600

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Wheel inner bearing rear.

Fits:
Porsche 911 1965-68

Diagram Ref No 6.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90133102600

The product you are viewing cross references to these numbers